package com.itheima.api;

import com.itheima.utils.IdWorker;
import com.itheima.vo.Video;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

@DubboService
public class VideoApiImpl implements VideoApi {

    @Autowired
    private MongoTemplate mongoTemplate;

    @Autowired
    private IdWorker idWorker;

    //保存小视频
    @Override
    public String save(Video video) {
        //1、设置属性
        video.setVid(idWorker.getNextId("video"));
        video.setCreated(System.currentTimeMillis());
        //2、调用方法保存对象
        mongoTemplate.save(video);
        //3、返回对象id
        return video.getId().toHexString();
    }

    /**
     * 根据vid查询小视频列表
     */
    @Override
    public List<Video> findMovementsByVids(List<Long> vids) {
        Query query = Query.query(Criteria.where("vid").in(vids));
        return mongoTemplate.find(query,Video.class);
    }

    /**
     * 分页查询小视频数据
     */
    @Override
    public List<Video> queryVideoList(int page, Integer pagesize) {
        Query query=new Query()
                .limit(pagesize)
                .skip((page-1)*pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        return mongoTemplate.find(query,Video.class);
    }
}